This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
BOOL lookup_name(TALLOC_CTX *mem_ctx,
const char *full_name, int flags,
const char **ret_domain, const char **ret_name,
- DOM_SID *ret_sid, enum SID_NAME_USE *ret_type)
+ DOM_SID *ret_sid, enum lsa_SidType *ret_type)
{
char *p;
const char *tmp;
const char *name = NULL;
uint32 rid;
DOM_SID sid;
- enum SID_NAME_USE type;
+ enum lsa_SidType type;
TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
- struct group *grp;
if (tmp_ctx == NULL) {
DEBUG(0, ("talloc_new failed\n"));
goto ok;
}
- if (strequal(domain, unix_users_domain_name())) {
+ if (!(flags & LOOKUP_NAME_EXPLICIT) && strequal(domain, unix_users_domain_name())) {
if (lookup_unix_user_name(name, &sid)) {
type = SID_NAME_USER;
goto ok;
return False;
}
- if (strequal(domain, unix_groups_domain_name())) {
+ if (!(flags & LOOKUP_NAME_EXPLICIT) && strequal(domain, unix_groups_domain_name())) {
if (lookup_unix_group_name(name, &sid)) {
type = SID_NAME_DOM_GRP;
goto ok;
return False;
}
- /*
- * Nasty hack necessary for too common scenarios:
- *
- * For 'valid users = +users' we know "users" is most probably not
- * BUILTIN\users but the unix group users. This hack requires the
- * admin to explicitly qualify BUILTIN if BUILTIN\users is meant.
- *
- * Please note that LOOKUP_NAME_GROUP can not be requested via for
- * example lsa_lookupnames, it only comes into this routine via
- * the expansion of group names coming in from smb.conf
- */
-
- if ((flags & LOOKUP_NAME_GROUP) && ((grp = getgrnam(name)) != NULL)) {
-
- GROUP_MAP map;
-
- if (pdb_getgrgid(&map, grp->gr_gid)) {
- /* The hack gets worse. Handle the case where we have
- * 'force group = +unixgroup' but "unixgroup" has a
- * group mapping */
-
- if (sid_check_is_in_builtin(&map.sid)) {
- domain = talloc_strdup(
- tmp_ctx, builtin_domain_name());
- } else {
- domain = talloc_strdup(
- tmp_ctx, get_global_sam_name());
- }
-
- sid_copy(&sid, &map.sid);
- type = map.sid_name_use;
- goto ok;
- }
-
- /* If we are using the smbpasswd backend, we need to use the
- * algorithmic mapping for the unix group we find. This is
- * necessary because when creating the NT token from the unix
- * gid list we got from initgroups() we use gid_to_sid() that
- * uses algorithmic mapping if pdb_rid_algorithm() is true. */
-
- if (pdb_rid_algorithm() &&
- (grp->gr_gid < max_algorithmic_gid())) {
- domain = talloc_strdup(tmp_ctx, get_global_sam_name());
- sid_compose(&sid, get_global_sam_sid(),
- pdb_gid_to_group_rid(grp->gr_gid));
- type = SID_NAME_DOM_GRP;
- goto ok;
- }
-
- if (lookup_unix_group_name(name, &sid)) {
- domain = talloc_strdup(tmp_ctx,
- unix_groups_domain_name());
- type = SID_NAME_DOM_GRP;
- goto ok;
- }
- }
-
/* Now the guesswork begins, we haven't been given an explicit
* domain. Try the sequence as documented on
* http://msdn.microsoft.com/library/en-us/secmgmt/security/lsalookupnames.asp
/* 5. Trusted domains as such, to me it looks as if members don't do
this, tested an XP workstation in a NT domain -- vl */
- if (IS_DC && (secrets_fetch_trusted_domain_password(name, NULL,
- &sid, NULL))) {
+ if (IS_DC && (pdb_get_trusteddom_pw(name, NULL, &sid, NULL))) {
/* Swap domain and name */
tmp = name; name = domain; domain = tmp;
type = SID_NAME_DOMAIN;
if (IS_DC && winbind_lookup_name("", name, &sid, &type)) {
DOM_SID dom_sid;
uint32 tmp_rid;
- enum SID_NAME_USE domain_type;
+ enum lsa_SidType domain_type;
if (type == SID_NAME_DOMAIN) {
/* Swap name and type */
/* 11. Ok, windows would end here. Samba has two more options:
Unmapped users and unmapped groups */
- if (lookup_unix_user_name(name, &sid)) {
+ if (!(flags & LOOKUP_NAME_EXPLICIT) && lookup_unix_user_name(name, &sid)) {
domain = talloc_strdup(tmp_ctx, unix_users_domain_name());
type = SID_NAME_USER;
goto ok;
}
- if (lookup_unix_group_name(name, &sid)) {
+ if (!(flags & LOOKUP_NAME_EXPLICIT) && lookup_unix_group_name(name, &sid)) {
domain = talloc_strdup(tmp_ctx, unix_groups_domain_name());
type = SID_NAME_DOM_GRP;
goto ok;
BOOL lookup_name_smbconf(TALLOC_CTX *mem_ctx,
const char *full_name, int flags,
const char **ret_domain, const char **ret_name,
- DOM_SID *ret_sid, enum SID_NAME_USE *ret_type)
+ DOM_SID *ret_sid, enum lsa_SidType *ret_type)
{
char *qualified_name;
+ const char *p;
/* NB. No winbindd_separator here as lookup_name needs \\' */
- if (strchr_m(full_name, '\\')) {
+ if ((p = strchr_m(full_name, *lp_winbind_separator())) != NULL) {
+
/* The name is already qualified with a domain. */
+
+ if (*lp_winbind_separator() != '\\') {
+ char *tmp;
+
+ /* lookup_name() needs '\\' as a separator */
+
+ tmp = talloc_strdup(mem_ctx, full_name);
+ if (!tmp) {
+ return False;
+ }
+ tmp[p - full_name] = '\\';
+ full_name = tmp;
+ }
+
return lookup_name(mem_ctx, full_name, flags,
ret_domain, ret_name,
ret_sid, ret_type);
const DOM_SID *domain_sid,
int num_rids, uint32 *rids,
const char **domain_name,
- const char **names, enum SID_NAME_USE *types)
+ const char **names, enum lsa_SidType *types)
{
int i;
const char **my_names;
- enum SID_NAME_USE *my_types;
+ enum lsa_SidType *my_types;
TALLOC_CTX *tmp_ctx;
if (!(tmp_ctx = talloc_init("wb_lookup_rids"))) {
if (!winbind_lookup_rids(tmp_ctx, domain_sid, num_rids, rids,
domain_name, &my_names, &my_types)) {
+ *domain_name = "";
for (i=0; i<num_rids; i++) {
+ names[i] = "";
types[i] = SID_NAME_UNKNOWN;
}
+ TALLOC_FREE(tmp_ctx);
return True;
}
+ if (!(*domain_name = talloc_strdup(mem_ctx, *domain_name))) {
+ TALLOC_FREE(tmp_ctx);
+ return False;
+ }
+
/*
* winbind_lookup_rids allocates its own array. We've been given the
* array, so copy it over
static BOOL lookup_rids(TALLOC_CTX *mem_ctx, const DOM_SID *domain_sid,
int num_rids, uint32_t *rids,
const char **domain_name,
- const char ***names, enum SID_NAME_USE **types)
+ const char ***names, enum lsa_SidType **types)
{
int i;
- *names = TALLOC_ARRAY(mem_ctx, const char *, num_rids);
- *types = TALLOC_ARRAY(mem_ctx, enum SID_NAME_USE, num_rids);
+ if (num_rids) {
+ *names = TALLOC_ARRAY(mem_ctx, const char *, num_rids);
+ *types = TALLOC_ARRAY(mem_ctx, enum lsa_SidType, num_rids);
- if ((*names == NULL) || (*types == NULL)) {
- return False;
+ if ((*names == NULL) || (*types == NULL)) {
+ return False;
+ }
+ } else {
+ *names = NULL;
+ *types = NULL;
}
if (sid_check_is_domain(domain_sid)) {
const char **name)
{
const char *tmp;
- enum SID_NAME_USE type;
+ enum lsa_SidType type;
if (sid_check_is_domain(sid)) {
*name = talloc_strdup(mem_ctx, get_global_sam_name());
* and for SIDs that have 4 sub-authorities and thus look like
* domains */
- if (!NT_STATUS_IS_OK(secrets_trusted_domains(mem_ctx,
- &num_domains,
- &domains))) {
+ if (!NT_STATUS_IS_OK(pdb_enum_trusteddoms(mem_ctx,
+ &num_domains,
+ &domains))) {
return False;
}
* Level 2: Ask domain and trusted domains, no builtin and wkn
* Level 3: Only ask domain
* Level 4: W2k3ad: Only ask AD trusts
- * Level 5: Don't lookup anything
+ * Level 5: Only ask transitive forest trusts
* Level 6: Like 4
*/
TALLOC_CTX *tmp_ctx;
NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
struct lsa_name_info *name_infos;
- struct lsa_dom_info *dom_infos;
+ struct lsa_dom_info *dom_infos = NULL;
int i, j;
return NT_STATUS_NO_MEMORY;
}
- name_infos = TALLOC_ARRAY(mem_ctx, struct lsa_name_info, num_sids);
+ if (num_sids) {
+ name_infos = TALLOC_ARRAY(mem_ctx, struct lsa_name_info, num_sids);
+ if (name_infos == NULL) {
+ result = NT_STATUS_NO_MEMORY;
+ goto fail;
+ }
+ } else {
+ name_infos = NULL;
+ }
+
dom_infos = TALLOC_ZERO_ARRAY(mem_ctx, struct lsa_dom_info,
MAX_REF_DOMAINS);
- if ((name_infos == NULL) || (dom_infos == NULL)) {
+ if (dom_infos == NULL) {
result = NT_STATUS_NO_MEMORY;
goto fail;
}
uint32_t *rids;
const char *domain_name = NULL;
const char **names;
- enum SID_NAME_USE *types;
+ enum lsa_SidType *types;
struct lsa_dom_info *dom = &dom_infos[i];
if (!dom->valid) {
break;
}
- if (!(rids = TALLOC_ARRAY(tmp_ctx, uint32, dom->num_idxs))) {
- result = NT_STATUS_NO_MEMORY;
- goto fail;
+ if (dom->num_idxs) {
+ if (!(rids = TALLOC_ARRAY(tmp_ctx, uint32, dom->num_idxs))) {
+ result = NT_STATUS_NO_MEMORY;
+ goto fail;
+ }
+ } else {
+ rids = NULL;
}
for (j=0; j<dom->num_idxs; j++) {
BOOL lookup_sid(TALLOC_CTX *mem_ctx, const DOM_SID *sid,
const char **ret_domain, const char **ret_name,
- enum SID_NAME_USE *ret_type)
+ enum lsa_SidType *ret_type)
{
struct lsa_dom_info *domain;
struct lsa_name_info *name;
struct uid_sid_cache *next, *prev;
uid_t uid;
DOM_SID sid;
- enum SID_NAME_USE sidtype;
+ enum lsa_SidType sidtype;
} *uid_sid_cache_head;
static struct gid_sid_cache {
struct gid_sid_cache *next, *prev;
gid_t gid;
DOM_SID sid;
- enum SID_NAME_USE sidtype;
+ enum lsa_SidType sidtype;
} *gid_sid_cache_head;
/*****************************************************************
{
struct uid_sid_cache *pc;
+ /* do not store SIDs in the "Unix Group" domain */
+
+ if ( sid_check_is_in_unix_users( psid ) )
+ return;
+
if (n_uid_sid_cache >= MAX_UID_SID_CACHE_SIZE && n_uid_sid_cache > TURNOVER_UID_SID_CACHE_SIZE) {
/* Delete the last TURNOVER_UID_SID_CACHE_SIZE entries. */
struct uid_sid_cache *pc_next;
void store_gid_sid_cache(const DOM_SID *psid, gid_t gid)
{
struct gid_sid_cache *pc;
+
+ /* do not store SIDs in the "Unix Group" domain */
+
+ if ( sid_check_is_in_unix_groups( psid ) )
+ return;
if (n_gid_sid_cache >= MAX_GID_SID_CACHE_SIZE && n_gid_sid_cache > TURNOVER_GID_SID_CACHE_SIZE) {
/* Delete the last TURNOVER_GID_SID_CACHE_SIZE entries. */
}
/*****************************************************************
- *THE CANONICAL* convert uid_t to SID function.
+ *THE LEGACY* convert uid_t to SID function.
*****************************************************************/
-void uid_to_sid(DOM_SID *psid, uid_t uid)
+static void legacy_uid_to_sid(DOM_SID *psid, uid_t uid)
{
- uid_t low, high;
uint32 rid;
+ BOOL ret;
ZERO_STRUCTP(psid);
- if (fetch_sid_from_uid_cache(psid, uid))
- return;
-
- if (lp_idmap_uid(&low, &high) && (uid >= low) && (uid <= high) &&
- winbind_uid_to_sid(psid, uid)) {
-
- DEBUG(10,("uid_to_sid: winbindd %u -> %s\n",
- (unsigned int)uid, sid_string_static(psid)));
- goto done;
- }
+ become_root();
+ ret = pdb_uid_to_rid(uid, &rid);
+ unbecome_root();
- if (pdb_uid_to_rid(uid, &rid)) {
+ if (ret) {
/* This is a mapped user */
sid_copy(psid, get_global_sam_sid());
sid_append_rid(psid, rid);
goto done;
}
- if (pdb_rid_algorithm() && (uid < max_algorithmic_uid())) {
- sid_copy(psid, get_global_sam_sid());
- sid_append_rid(psid, algorithmic_pdb_uid_to_user_rid(uid));
- goto done;
- } else {
- uid_to_unix_users_sid(uid, psid);
- goto done;
- }
+ /* This is an unmapped user */
+
+ uid_to_unix_users_sid(uid, psid);
done:
- DEBUG(10,("uid_to_sid: local %u -> %s\n", (unsigned int)uid,
+ DEBUG(10,("LEGACY: uid %u -> sid %s\n", (unsigned int)uid,
sid_string_static(psid)));
store_uid_sid_cache(psid, uid);
}
/*****************************************************************
- *THE CANONICAL* convert gid_t to SID function.
+ *THE LEGACY* convert gid_t to SID function.
*****************************************************************/
-void gid_to_sid(DOM_SID *psid, gid_t gid)
+static void legacy_gid_to_sid(DOM_SID *psid, gid_t gid)
{
- gid_t low, high;
+ BOOL ret;
ZERO_STRUCTP(psid);
- if (fetch_sid_from_gid_cache(psid, gid))
- return;
-
- if (lp_idmap_gid(&low, &high) && (gid >= low) && (gid <= high) &&
- winbind_gid_to_sid(psid, gid)) {
-
- DEBUG(10,("gid_to_sid: winbindd %u -> %s\n",
- (unsigned int)gid, sid_string_static(psid)));
- goto done;
- }
+ become_root();
+ ret = pdb_gid_to_sid(gid, psid);
+ unbecome_root();
- if (pdb_gid_to_sid(gid, psid)) {
+ if (ret) {
/* This is a mapped group */
goto done;
}
+
+ /* This is an unmapped group */
- if (pdb_rid_algorithm() && (gid < max_algorithmic_gid())) {
- sid_copy(psid, get_global_sam_sid());
- sid_append_rid(psid, pdb_gid_to_group_rid(gid));
- goto done;
- } else {
- sid_copy(psid, &global_sid_Unix_Groups);
- sid_append_rid(psid, gid);
- goto done;
- }
+ gid_to_unix_groups_sid(gid, psid);
done:
- DEBUG(10,("gid_to_sid: local %u -> %s\n", (unsigned int)gid,
+ DEBUG(10,("LEGACY: gid %u -> sid %s\n", (unsigned int)gid,
sid_string_static(psid)));
store_gid_sid_cache(psid, gid);
}
/*****************************************************************
- *THE CANONICAL* convert SID to uid function.
+ *THE LEGACY* convert SID to uid function.
*****************************************************************/
-BOOL sid_to_uid(const DOM_SID *psid, uid_t *puid)
+static BOOL legacy_sid_to_uid(const DOM_SID *psid, uid_t *puid)
{
- enum SID_NAME_USE type;
+ enum lsa_SidType type;
uint32 rid;
- gid_t gid;
-
- if (fetch_uid_from_cache(puid, psid))
- return True;
-
- if (fetch_gid_from_cache(&gid, psid)) {
- return False;
- }
-
- if (sid_peek_check_rid(&global_sid_Unix_Users, psid, &rid)) {
- uid_t uid = rid;
- *puid = uid;
- goto done;
- }
if (sid_peek_check_rid(get_global_sam_sid(), psid, &rid)) {
union unid_t id;
+ BOOL ret;
+
+ become_root();
+ ret = pdb_sid_to_id(psid, &id, &type);
+ unbecome_root();
- if (pdb_sid_to_id(psid, &id, &type)) {
+ if (ret) {
if (type != SID_NAME_USER) {
DEBUG(5, ("sid %s is a %s, expected a user\n",
sid_string_static(psid),
*puid = id.uid;
goto done;
}
- if (pdb_rid_algorithm() &&
- algorithmic_pdb_rid_is_user(rid)) {
- *puid = algorithmic_pdb_user_rid_to_uid(rid);
- goto done;
- }
-
- /* This was ours, but it was neither mapped nor
- * algorithmic. Fail */
- return False;
- }
-
- if (winbind_lookup_sid(NULL, psid, NULL, NULL, &type)) {
-
- if (type != SID_NAME_USER) {
- DEBUG(10, ("sid_to_uid: sid %s is a %s\n",
- sid_string_static(psid),
- sid_type_lookup(type)));
- return False;
- }
- if (!winbind_sid_to_uid(puid, psid)) {
- DEBUG(5, ("sid_to_uid: winbind failed to allocate a "
- "new uid for sid %s\n",
- sid_string_static(psid)));
- return False;
- }
- goto done;
+ /* This was ours, but it was not mapped. Fail */
}
- /* TODO: Here would be the place to allocate both a gid and a uid for
- * the SID in question */
-
+ DEBUG(10,("LEGACY: mapping failed for sid %s\n", sid_string_static(psid)));
return False;
- done:
- DEBUG(10,("sid_to_uid: %s -> %u\n", sid_string_static(psid),
+done:
+ DEBUG(10,("LEGACY: sid %s -> uid %u\n", sid_string_static(psid),
(unsigned int)*puid ));
store_uid_sid_cache(psid, *puid);
}
/*****************************************************************
- *THE CANONICAL* convert SID to gid function.
+ *THE LEGACY* convert SID to gid function.
Group mapping is used for gids that maps to Wellknown SIDs
*****************************************************************/
-BOOL sid_to_gid(const DOM_SID *psid, gid_t *pgid)
+static BOOL legacy_sid_to_gid(const DOM_SID *psid, gid_t *pgid)
{
uint32 rid;
GROUP_MAP map;
union unid_t id;
- enum SID_NAME_USE type;
- uid_t uid;
-
- if (fetch_gid_from_cache(pgid, psid))
- return True;
-
- if (fetch_uid_from_cache(&uid, psid))
- return False;
-
- if (sid_peek_check_rid(&global_sid_Unix_Groups, psid, &rid)) {
- gid_t gid = rid;
- *pgid = gid;
- goto done;
- }
+ enum lsa_SidType type;
if ((sid_check_is_in_builtin(psid) ||
sid_check_is_in_wellknown_domain(psid))) {
- if (pdb_getgrsid(&map, *psid)) {
+ BOOL ret;
+
+ become_root();
+ ret = pdb_getgrsid(&map, *psid);
+ unbecome_root();
+
+ if (ret) {
*pgid = map.gid;
goto done;
}
+ DEBUG(10,("LEGACY: mapping failed for sid %s\n", sid_string_static(psid)));
return False;
}
if (sid_peek_check_rid(get_global_sam_sid(), psid, &rid)) {
- if (pdb_sid_to_id(psid, &id, &type)) {
+ BOOL ret;
+
+ become_root();
+ ret = pdb_sid_to_id(psid, &id, &type);
+ unbecome_root();
+
+ if (ret) {
if ((type != SID_NAME_DOM_GRP) &&
(type != SID_NAME_ALIAS)) {
- DEBUG(5, ("sid %s is a %s, expected a group\n",
+ DEBUG(5, ("LEGACY: sid %s is a %s, expected a group\n",
sid_string_static(psid),
sid_type_lookup(type)));
return False;
*pgid = id.gid;
goto done;
}
- if (pdb_rid_algorithm() &&
- !algorithmic_pdb_rid_is_user(rid)) {
- /* This must be a group, presented as alias */
- *pgid = pdb_group_rid_to_gid(rid);
- goto done;
+
+ /* This was ours, but it was not mapped. Fail */
+ }
+
+ DEBUG(10,("LEGACY: mapping failed for sid %s\n", sid_string_static(psid)));
+ return False;
+
+ done:
+ DEBUG(10,("LEGACY: sid %s -> gid %u\n", sid_string_static(psid),
+ (unsigned int)*pgid ));
+
+ store_gid_sid_cache(psid, *pgid);
+
+ return True;
+}
+
+/*****************************************************************
+ *THE CANONICAL* convert uid_t to SID function.
+*****************************************************************/
+
+void uid_to_sid(DOM_SID *psid, uid_t uid)
+{
+ ZERO_STRUCTP(psid);
+
+ if (fetch_sid_from_uid_cache(psid, uid))
+ return;
+
+ if (!winbind_uid_to_sid(psid, uid)) {
+ if (!winbind_ping()) {
+ legacy_uid_to_sid(psid, uid);
+ return;
}
- /* This was ours, but it was neither mapped nor
- * algorithmic. Fail. */
- return False;
+
+ DEBUG(5, ("uid_to_sid: winbind failed to find a sid for uid %u\n",
+ uid));
+ return;
+ }
+
+ DEBUG(10,("uid %u -> sid %s\n",
+ (unsigned int)uid, sid_string_static(psid)));
+
+ store_uid_sid_cache(psid, uid);
+ return;
+}
+
+/*****************************************************************
+ *THE CANONICAL* convert gid_t to SID function.
+*****************************************************************/
+
+void gid_to_sid(DOM_SID *psid, gid_t gid)
+{
+ ZERO_STRUCTP(psid);
+
+ if (fetch_sid_from_gid_cache(psid, gid))
+ return;
+
+ if (!winbind_gid_to_sid(psid, gid)) {
+ if (!winbind_ping()) {
+ legacy_gid_to_sid(psid, gid);
+ return;
+ }
+
+ DEBUG(5, ("gid_to_sid: winbind failed to find a sid for gid %u\n",
+ gid));
+ return;
}
+
+ DEBUG(10,("gid %u -> sid %s\n",
+ (unsigned int)gid, sid_string_static(psid)));
- if (!winbind_lookup_sid(NULL, psid, NULL, NULL, &type)) {
- DEBUG(11,("sid_to_gid: no one knows the SID %s (tried local, "
- "then winbind)\n", sid_string_static(psid)));
-
+ store_gid_sid_cache(psid, gid);
+ return;
+}
+
+/*****************************************************************
+ *THE CANONICAL* convert SID to uid function.
+*****************************************************************/
+
+BOOL sid_to_uid(const DOM_SID *psid, uid_t *puid)
+{
+ uint32 rid;
+ gid_t gid;
+
+ if (fetch_uid_from_cache(puid, psid))
+ return True;
+
+ if (fetch_gid_from_cache(&gid, psid)) {
return False;
}
- /* winbindd knows it; Ensure this is a group sid */
+ /* Optimize for the Unix Users Domain
+ * as the conversion is straightforward */
+ if (sid_peek_check_rid(&global_sid_Unix_Users, psid, &rid)) {
+ uid_t uid = rid;
+ *puid = uid;
+
+ /* return here, don't cache */
+ DEBUG(10,("sid %s -> uid %u\n", sid_string_static(psid),
+ (unsigned int)*puid ));
+ return True;
+ }
+
+ if (!winbind_sid_to_uid(puid, psid)) {
+ if (!winbind_ping()) {
+ return legacy_sid_to_uid(psid, puid);
+ }
- if ((type != SID_NAME_DOM_GRP) && (type != SID_NAME_ALIAS) &&
- (type != SID_NAME_WKN_GRP)) {
- DEBUG(10,("sid_to_gid: winbind lookup succeeded but SID is "
- "a %s\n", sid_type_lookup(type)));
+ DEBUG(5, ("winbind failed to find a uid for sid %s\n",
+ sid_string_static(psid)));
return False;
}
-
- /* winbindd knows it and it is a type of group; sid_to_gid must succeed
- or we are dead in the water */
+
+ /* TODO: Here would be the place to allocate both a gid and a uid for
+ * the SID in question */
+
+ DEBUG(10,("sid %s -> uid %u\n", sid_string_static(psid),
+ (unsigned int)*puid ));
+
+ store_uid_sid_cache(psid, *puid);
+ return True;
+}
+
+/*****************************************************************
+ *THE CANONICAL* convert SID to gid function.
+ Group mapping is used for gids that maps to Wellknown SIDs
+*****************************************************************/
+
+BOOL sid_to_gid(const DOM_SID *psid, gid_t *pgid)
+{
+ uint32 rid;
+ uid_t uid;
+
+ if (fetch_gid_from_cache(pgid, psid))
+ return True;
+
+ if (fetch_uid_from_cache(&uid, psid))
+ return False;
+
+ /* Optimize for the Unix Groups Domain
+ * as the conversion is straightforward */
+ if (sid_peek_check_rid(&global_sid_Unix_Groups, psid, &rid)) {
+ gid_t gid = rid;
+ *pgid = gid;
+
+ /* return here, don't cache */
+ DEBUG(10,("sid %s -> gid %u\n", sid_string_static(psid),
+ (unsigned int)*pgid ));
+ return True;
+ }
+
+ /* Ask winbindd if it can map this sid to a gid.
+ * (Idmap will check it is a valid SID and of the right type) */
if ( !winbind_sid_to_gid(pgid, psid) ) {
- DEBUG(10,("sid_to_gid: winbind failed to allocate a new gid "
- "for sid %s\n", sid_string_static(psid)));
+ if (!winbind_ping()) {
+ return legacy_sid_to_gid(psid, pgid);
+ }
+
+ DEBUG(10,("winbind failed to find a gid for sid %s\n",
+ sid_string_static(psid)));
return False;
}
- done:
- DEBUG(10,("sid_to_gid: %s -> %u\n", sid_string_static(psid),
+ DEBUG(10,("sid %s -> gid %u\n", sid_string_static(psid),
(unsigned int)*pgid ));
store_gid_sid_cache(psid, *pgid);
git.samba.org / samba.git / blobdiff